Standard vs. Convertible Offering Classes

When you purchase a Reserved Instance, you can choose between a
Standard or Convertible offering class.

Standard Reserved Instance

Convertible Reserved Instance

One-year to three-year term

Three-year term

Enables you to modify Availability
Zone, scope, network platform, and instance size (within
the same instance type) of your Reserved Instance. For
more information, see
Modifying
Reserved Instances.

Enables you to exchange one or more
Convertible Reserved Instances for another Convertible
Reserved Instance with new attributes. These attributes
include instance family, instance type, platform, scope,
and tenancy, if the exchange results in the creation of a
Reserved Instance of equal or greater value. For more
information, see
Exchanging
Convertible Reserved Instances.